.~.~ Unsecured loosely confined percussive member (e.g., rattle)
DEFINITION
Classification: 446/419
Unattached loosely confined percussive member (e.g., rattle):
(under subclass 418) Device wherein the first portion comprises a free element contained within a compartment, wherein the volume of the compartment is greater than the volume of the element such that the element strikes the compartment walls when the compartment is shaken.